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  1. CeCILL-C FREE SOFTWARE LICENSE AGREEMENT Notice
  2. This Agreement is a Free Software license agreement that is the result of
  3. discussions between its authors in order to ensure compliance with the two
  4. main principles guiding its drafting:
  5. * firstly, compliance with the principles governing the distribution of Free
  6. Software: access to source code, broad rights granted to users,
  7. * secondly, the election of a governing law, French law, with which it is
  8. conformant, both as regards the law of torts and intellectual property law,
  9. and the protection that it offers to both authors and holders of the economic
  10. rights over software.
  11. The authors of the CeCILL¹ license are:
  12. Commissariat à l'Energie Atomique - CEA, a public scientific, technical and
  13. industrial research establishment, having its principal place of business
  14. at 25 rue Leblanc, immeuble Le Ponant D, 75015 Paris, France.
  15. Centre National de la Recherche Scientifique - CNRS, a public scientific and
  16. technological establishment, having its principal place of business at 3 rue
  17. Michel-Ange, 75794 Paris cedex 16, France.
  18. Institut National de Recherche en Informatique et en Automatique - INRIA,
  19. a public scientific and technological establishment, having its principal
  20. place of business at Domaine de Voluceau, Rocquencourt, BP 105, 78153 Le Chesnay
  21. cedex, France.
  22. Preamble The purpose of this Free Software license agreement is to grant users
  23. the right to modify and re-use the software governed by this license.
  24. The exercising of this right is conditional upon the obligation to make available
  25. to the community the modifications made to the source code of the software
  26. so as to contribute to its evolution.
  27. In consideration of access to the source code and the rights to copy, modify
  28. and redistribute granted by the license, users are provided only with a limited
  29. warranty and the software's author, the holder of the economic rights, and
  30. the successive licensors only have limited liability.
  31. In this respect, the risks associated with loading, using, modifying and/or
  32. developing or reproducing the software by the user are brought to the user's
  33. attention, given its Free Software status, which may make it complicated to
  34. use, with the result that its use is reserved for developers and experienced
  35. professionals having in-depth computer knowledge. Users are therefore encouraged
  36. to load and test the suitability of the software as regards their requirements
  37. in conditions enabling the security of their systems and/or data to be ensured
  38. and, more generally, to use and operate it in the same conditions of security.
  39. This Agreement may be freely reproduced and published, provided it is not
  40. altered, and that no provisions are either added or removed herefrom.
  41. This Agreement may apply to any or all software for which the holder of the
  42. economic rights decides to submit the use thereof to its provisions.
  43. Article 1 - DEFINITIONS
  44. For the purpose of this Agreement, when the following expressions commence
  45. with a capital letter, they shall have the following meaning:
  46. Agreement: means this license agreement, and its possible subsequent versions
  47. and annexes.
  48. Software: means the software in its Object Code and/or Source Code form and,
  49. where applicable, its documentation, "as is" when the Licensee accepts the
  50. Agreement.
  51. Initial Software: means the Software in its Source Code and possibly its Object
  52. Code form and, where applicable, its documentation, "as is" when it is first
  53. distributed under the terms and conditions of the Agreement.
  54. Modified Software: means the Software modified by at least one Integrated
  55. Contribution.
  56. Source Code: means all the Software's instructions and program lines to which
  57. access is required so as to modify the Software.
  58. Object Code: means the binary files originating from the compilation of the
  59. Source Code.
  60. Holder: means the holder(s) of the economic rights over the Initial Software.
  61. Licensee: means the Software user(s) having accepted the Agreement.
  62. Contributor: means a Licensee having made at least one Integrated Contribution.
  63. Licensor: means the Holder, or any other individual or legal entity, who distributes
  64. the Software under the Agreement.
  65. Integrated Contribution: means any or all modifications, corrections, translations,
  66. adaptations and/or new functions integrated into the Source Code by any or
  67. all Contributors.
  68. Related Module: means a set of sources files including their documentation
  69. that, without modification to the Source Code, enables supplementary functions
  70. or services in addition to those offered by the Software.
  71. Derivative Software: means any combination of the Software, modified or not,
  72. and of a Related Module.
  73. Parties: mean both the Licensee and the Licensor.
  74. These expressions may be used both in singular and plural form.
  75. Article 2 - PURPOSE
  76. The purpose of the Agreement is the grant by the Licensor to the Licensee
  77. of a non-exclusive, transferable and worldwide license for the Software as
  78. set forth in Article 5 hereinafter for the whole term of the protection granted
  79. by the rights over said Software.
  80. Article 3 - ACCEPTANCE
  81. 3.1 The Licensee shall be deemed as having accepted the terms and conditions
  82. of this Agreement upon the occurrence of the first of the following events:
  83. (i) loading the Software by any or all means, notably, by downloading from
  84. a remote server, or by loading from a physical medium;
  85. (ii) the first time the Licensee exercises any of the rights granted hereunder.
  86. 3.2 One copy of the Agreement, containing a notice relating to the characteristics
  87. of the Software, to the limited warranty, and to the fact that its use is
  88. restricted to experienced users has been provided to the Licensee prior to
  89. its acceptance as set forth in Article 3.1 hereinabove, and the Licensee hereby
  90. acknowledges that it has read and understood it.
  91. Article 4 - EFFECTIVE DATE AND TERM
  92. 4.1 EFFECTIVE DATE
  93. The Agreement shall become effective on the date when it is accepted by the
  94. Licensee as set forth in Article 3.1.
  95. 4.2 TERM
  96. The Agreement shall remain in force for the entire legal term of protection
  97. of the economic rights over the Software.
  98. Article 5 - SCOPE OF RIGHTS GRANTED
  99. The Licensor hereby grants to the Licensee, who accepts, the following rights
  100. over the Software for any or all use, and for the term of the Agreement, on
  101. the basis of the terms and conditions set forth hereinafter.
  102. Besides, if the Licensor owns or comes to own one or more patents protecting
  103. all or part of the functions of the Software or of its components, the Licensor
  104. undertakes not to enforce the rights granted by these patents against successive
  105. Licensees using, exploiting or modifying the Software. If these patents are
  106. transferred, the Licensor undertakes to have the transferees subscribe to
  107. the obligations set forth in this paragraph.
  108. 5.1 RIGHT OF USE
  109. The Licensee is authorized to use the Software, without any limitation as
  110. to its fields of application, with it being hereinafter specified that this
  111. comprises:
  112. 1. permanent or temporary reproduction of all or part of the Software by any
  113. or all means and in any or all form.
  114. 2. loading, displaying, running, or storing the Software on any or all medium.
  115. 3. entitlement to observe, study or test its operation so as to determine
  116. the ideas and principles behind any or all constituent elements of said Software.
  117. This shall apply when the Licensee carries out any or all loading, displaying,
  118. running, transmission or storage operation as regards the Software, that it
  119. is entitled to carry out hereunder.
  120. 5.2 RIGHT OF MODIFICATION
  121. The right of modification includes the right to translate, adapt, arrange,
  122. or make any or all modifications to the Software, and the right to reproduce
  123. the resulting software. It includes, in particular, the right to create a
  124. Derivative Software.
  125. The Licensee is authorized to make any or all modification to the Software
  126. provided that it includes an explicit notice that it is the author of said
  127. modification and indicates the date of the creation thereof.
  128. 5.3 RIGHT OF DISTRIBUTION
  129. In particular, the right of distribution includes the right to publish, transmit
  130. and communicate the Software to the general public on any or all medium, and
  131. by any or all means, and the right to market, either in consideration of a
  132. fee, or free of charge, one or more copies of the Software by any means.
  133. The Licensee is further authorized to distribute copies of the modified or
  134. unmodified Software to third parties according to the terms and conditions
  135. set forth hereinafter.
  136. 5.3.1. DISTRIBUTION OF SOFTWARE WITHOUT MODIFICATION
  137. The Licensee is authorized to distribute true copies of the Software in Source
  138. Code or Object Code form, provided that said distribution complies with all
  139. the provisions of the Agreement and is accompanied by:
  140. 1. a copy of the Agreement,
  141. 2. a notice relating to the limitation of both the Licensor's warranty and
  142. liability as set forth in Articles 8 and 9,
  143. and that, in the event that only the Object Code of the Software is redistributed,
  144. the Licensee allows effective access to the full Source Code of the Software
  145. at a minimum during the entire period of its distribution of the Software,
  146. it being understood that the additional cost of acquiring the Source Code
  147. shall not exceed the cost of transferring the data.
  148. 5.3.2. DISTRIBUTION OF MODIFIED SOFTWARE
  149. When the Licensee makes an Integrated Contribution to the Software, the terms
  150. and conditions for the distribution of the resulting Modified Software become
  151. subject to all the provisions of this Agreement.
  152. The Licensee is authorized to distribute the Modified Software, in source
  153. code or object code form, provided that said distribution complies with all
  154. the provisions of the Agreement and is accompanied by:
  155. 1. a copy of the Agreement,
  156. 2. a notice relating to the limitation of both the Licensor's warranty and
  157. liability as set forth in Articles 8 and 9,
  158. and that, in the event that only the object code of the Modified Software
  159. is redistributed, the Licensee allows effective access to the full source
  160. code of the Modified Software at a minimum during the entire period of its
  161. distribution of the Modified Software, it being understood that the additional
  162. cost of acquiring the source code shall not exceed the cost of transferring
  163. the data.
  164. 5.3.3. DISTRIBUTION OF DERIVATIVE SOFTWARE
  165. When the Licensee creates Derivative Software, this Derivative Software may
  166. be distributed under a license agreement other than this Agreement, subject
  167. to compliance with the requirement to include a notice concerning the rights
  168. over the Software as defined in Article 6.4. In the event the creation of
  169. the Derivative Software required modification of the Source Code, the Licensee
  170. undertakes that:
  171. 1. the resulting Modified Software will be governed by this Agreement,
  172. 2. the Integrated Contributions in the resulting Modified Software will be
  173. clearly identified and documented,
  174. 3. the Licensee will allow effective access to the source code of the Modified
  175. Software, at a minimum during the entire period of distribution of the Derivative
  176. Software, such that such modifications may be carried over in a subsequent
  177. version of the Software; it being understood that the additional cost of purchasing
  178. the source code of the Modified Software shall not exceed the cost of transferring
  179. the data.
  180. 5.3.4. COMPATIBILITY WITH THE CeCILL LICENSE
  181. When a Modified Software contains an Integrated Contribution subject to the
  182. CeCILL license agreement, or when a Derivative Software contains a Related
  183. Module subject to the CeCILL license agreement, the provisions set forth in
  184. the third item of Article 6.4 are optional.
  185. Article 6 - INTELLECTUAL PROPERTY
  186. 6.1 OVER THE INITIAL SOFTWARE
  187. The Holder owns the economic rights over the Initial Software. Any or all
  188. use of the Initial Software is subject to compliance with the terms and conditions
  189. under which the Holder has elected to distribute its work and no one shall
  190. be entitled to modify the terms and conditions for the distribution of said
  191. Initial Software.
  192. The Holder undertakes that the Initial Software will remain ruled at least
  193. by this Agreement, for the duration set forth in Article 4.2.
  194. 6.2 OVER THE INTEGRATED CONTRIBUTIONS
  195. The Licensee who develops an Integrated Contribution is the owner of the intellectual
  196. property rights over this Contribution as defined by applicable law.
  197. 6.3 OVER THE RELATED MODULES
  198. The Licensee who develops a Related Module is the owner of the intellectual
  199. property rights over this Related Module as defined by applicable law and
  200. is free to choose the type of agreement that shall govern its distribution
  201. under the conditions defined in Article 5.3.3.
  202. 6.4 NOTICE OF RIGHTS
  203. The Licensee expressly undertakes:
  204. 1. not to remove, or modify, in any manner, the intellectual property notices
  205. attached to the Software;
  206. 2. to reproduce said notices, in an identical manner, in the copies of the
  207. Software modified or not;
  208. 3. to ensure that use of the Software, its intellectual property notices and
  209. the fact that it is governed by the Agreement is indicated in a text that
  210. is easily accessible, specifically from the interface of any Derivative Software.
  211. The Licensee undertakes not to directly or indirectly infringe the intellectual
  212. property rights of the Holder and/or Contributors on the Software and to take,
  213. where applicable, vis-à-vis its staff, any and all measures required to ensure
  214. respect of said intellectual property rights of the Holder and/or Contributors.
  215. Article 7 - RELATED SERVICES
  216. 7.1 Under no circumstances shall the Agreement oblige the Licensor to provide
  217. technical assistance or maintenance services for the Software.
  218. However, the Licensor is entitled to offer this type of services. The terms
  219. and conditions of such technical assistance, and/or such maintenance, shall
  220. be set forth in a separate instrument. Only the Licensor offering said maintenance
  221. and/or technical assistance services shall incur liability therefor.
  222. 7.2 Similarly, any Licensor is entitled to offer to its licensees, under its
  223. sole responsibility, a warranty, that shall only be binding upon itself, for
  224. the redistribution of the Software and/or the Modified Software, under terms
  225. and conditions that it is free to decide. Said warranty, and the financial
  226. terms and conditions of its application, shall be subject of a separate instrument
  227. executed between the Licensor and the Licensee.
  228. Article 8 - LIABILITY
  229. 8.1 Subject to the provisions of Article 8.2, the Licensee shall be entitled
  230. to claim compensation for any direct loss it may have suffered from the Software
  231. as a result of a fault on the part of the relevant Licensor, subject to providing
  232. evidence thereof.
  233. 8.2 The Licensor's liability is limited to the commitments made under this
  234. Agreement and shall not be incurred as a result of in particular: (i) loss
  235. due the Licensee's total or partial failure to fulfill its obligations, (ii)
  236. direct or consequential loss that is suffered by the Licensee due to the use
  237. or performance of the Software, and (iii) more generally, any consequential
  238. loss. In particular the Parties expressly agree that any or all pecuniary
  239. or business loss (i.e. loss of data, loss of profits, operating loss, loss
  240. of customers or orders, opportunity cost, any disturbance to business activities)
  241. or any or all legal proceedings instituted against the Licensee by a third
  242. party, shall constitute consequential loss and shall not provide entitlement
  243. to any or all compensation from the Licensor.
  244. Article 9 - WARRANTY
  245. 9.1 The Licensee acknowledges that the scientific and technical state-of-the-art
  246. when the Software was distributed did not enable all possible uses to be tested
  247. and verified, nor for the presence of possible defects to be detected. In
  248. this respect, the Licensee's attention has been drawn to the risks associated
  249. with loading, using, modifying and/or developing and reproducing the Software
  250. which are reserved for experienced users.
  251. The Licensee shall be responsible for verifying, by any or all means, the
  252. suitability of the product for its requirements, its good working order, and
  253. for ensuring that it shall not cause damage to either persons or properties.
  254. 9.2 The Licensor hereby represents, in good faith, that it is entitled to
  255. grant all the rights over the Software (including in particular the rights
  256. set forth in Article 5).
  257. 9.3 The Licensee acknowledges that the Software is supplied "as is" by the
  258. Licensor without any other express or tacit warranty, other than that provided
  259. for in Article 9.2 and, in particular, without any warranty as to its commercial
  260. value, its secured, safe, innovative or relevant nature.
  261. Specifically, the Licensor does not warrant that the Software is free from
  262. any error, that it will operate without interruption, that it will be compatible
  263. with the Licensee's own equipment and software configuration, nor that it
  264. will meet the Licensee's requirements.
  265. 9.4 The Licensor does not either expressly or tacitly warrant that the Software
  266. does not infringe any third party intellectual property right relating to
  267. a patent, software or any other property right. Therefore, the Licensor disclaims
  268. any and all liability towards the Licensee arising out of any or all proceedings
  269. for infringement that may be instituted in respect of the use, modification
  270. and redistribution of the Software. Nevertheless, should such proceedings
  271. be instituted against the Licensee, the Licensor shall provide it with technical
  272. and legal assistance for its defense. Such technical and legal assistance
  273. shall be decided on a case-by-case basis between the relevant Licensor and
  274. the Licensee pursuant to a memorandum of understanding. The Licensor disclaims
  275. any and all liability as regards the Licensee's use of the name of the Software.
  276. No warranty is given as regards the existence of prior rights over the name
  277. of the Software or as regards the existence of a trademark.
  278. Article 10 - TERMINATION
  279. 10.1 In the event of a breach by the Licensee of its obligations hereunder,
  280. the Licensor may automatically terminate this Agreement thirty (30) days after
  281. notice has been sent to the Licensee and has remained ineffective.
  282. 10.2 A Licensee whose Agreement is terminated shall no longer be authorized
  283. to use, modify or distribute the Software. However, any licenses that it may
  284. have granted prior to termination of the Agreement shall remain valid subject
  285. to their having been granted in compliance with the terms and conditions hereof.
  286. Article 11 - MISCELLANEOUS
  287. 11.1 EXCUSABLE EVENTS
  288. Neither Party shall be liable for any or all delay, or failure to perform
  289. the Agreement, that may be attributable to an event of force majeure, an act
  290. of God or an outside cause, such as defective functioning or interruptions
  291. of the electricity or telecommunications networks, network paralysis following
  292. a virus attack, intervention by government authorities, natural disasters,
  293. water damage, earthquakes, fire, explosions, strikes and labor unrest, war,
  294. etc.
  295. 11.2 Any failure by either Party, on one or more occasions, to invoke one
  296. or more of the provisions hereof, shall under no circumstances be interpreted
  297. as being a waiver by the interested Party of its right to invoke said provision(s)
  298. subsequently.
  299. 11.3 The Agreement cancels and replaces any or all previous agreements, whether
  300. written or oral, between the Parties and having the same purpose, and constitutes
  301. the entirety of the agreement between said Parties concerning said purpose.
  302. No supplement or modification to the terms and conditions hereof shall be
  303. effective as between the Parties unless it is made in writing and signed by
  304. their duly authorized representatives.
  305. 11.4 In the event that one or more of the provisions hereof were to conflict
  306. with a current or future applicable act or legislative text, said act or legislative
  307. text shall prevail, and the Parties shall make the necessary amendments so
  308. as to comply with said act or legislative text. All other provisions shall
  309. remain effective. Similarly, invalidity of a provision of the Agreement, for
  310. any reason whatsoever, shall not cause the Agreement as a whole to be invalid.
  311. 11.5 LANGUAGE
  312. The Agreement is drafted in both French and English and both versions are
  313. deemed authentic.
  314. Article 12 - NEW VERSIONS OF THE AGREEMENT
  315. 12.1 Any person is authorized to duplicate and distribute copies of this Agreement.
  316. 12.2 So as to ensure coherence, the wording of this Agreement is protected
  317. and may only be modified by the authors of the License, who reserve the right
  318. to periodically publish updates or new versions of the Agreement, each with
  319. a separate number. These subsequent versions may address new issues encountered
  320. by Free Software.
  321. 12.3 Any Software distributed under a given version of the Agreement may only
  322. be subsequently distributed under the same version of the Agreement or a subsequent
  323. version.
  324. Article 13 - GOVERNING LAW AND JURISDICTION
  325. 13.1 The Agreement is governed by French law. The Parties agree to endeavor
  326. to seek an amicable solution to any disagreements or disputes that may arise
  327. during the performance of the Agreement.
  328. 13.2 Failing an amicable solution within two (2) months as from their occurrence,
  329. and unless emergency proceedings are necessary, the disagreements or disputes
  330. shall be referred to the Paris Courts having jurisdiction, by the more diligent
  331. Party.
  332. Version 1.0 dated 2006-09-05. 1 CeCILL stands for Ce(a) C(nrs) I(nria) L(ogiciel)
  333. L(ibre)
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